REFUsol solar inverters: history, technology and models
REFU started in converters in 1965, presented a solar inverter in 1997 and launched the REFUsol brand in 2007; today it maintains new lines and repowering support.
About REFUsol
Origin
Germany
Headquarters
Pfullingen, Germany
Founded
REFU in 1965; first PV inverter in 1997; REFUsol brand in 2007
REFU Elektronik was founded in Stuttgart in 1965 to make frequency converters. It presented its first OEM photovoltaic inverter in 1997.
The REFUsol brand reached the market in 2007. After changes in ownership it returned to PRETTL Group and today offers families from 20 kW to 350 kW and hybrid solutions.
Focus and technology
REFUsol focuses on C&I, utility and hybrid string inverters.
A documented history since 1965
German-engineered C&I and utility inverters
Continuity with new families and repowering
What to check before buying
Check the datasheet and warranty terms of the exact model code: features, electrical limits and coverage vary between series, revisions and markets.
Buying REFUsol equipment in Brazil
In Brazil, identify the importer, the warranty provider and local service, and confirm the applicable certification before buying.
REFUsol in the Silizium catalog23 REFUsol products listed, with specifications and datasheets.
REFUsol originates in Germany, with its headquarters in Pfullingen, Germany. The country of the brand, of the factory and of a specific batch may differ.
Is REFUsol a good brand?
A brand should be judged by the exact model and the project: check the datasheet, efficiency, temperature behaviour, certifications, traceability and the warranty offered by the responsible company in your market.
How do I check the REFUsol warranty?
Ask for the warranty terms of the exact product code, identify the importer or warranty provider, and confirm product and performance periods, the claim procedure and shipping costs.
